Is that AI still around, or has it lost its sense of humor?
ChatGPT doesn't seem very funny.
Made for 16 bit DOS it fakes a chat with a SYSOP.
What you are talking about sounds like Madlibs. https://www.madtakes.com/
https://gist.github.com/navjack/2a248ad534be13e34cad922d278f...